Pneumatic-tire calipers.



A. o. RUNNING.

PNEUMATIC TIRE CALIPERS.

APPLICATION FILED SEPT. 20, 19161 IQ @E wwm ib may cone/wifi, f

imowii that L ALBERT i'mmilm, i izizn mi" th@ Unified Siates :lesiing ai. Hawkins in the. cmmy 0i Rusk and State u ai' Viicfimsn, haw-fs invented cert-ain 116W ami useful mprovamnts in Pnemzitiifii'e Caiipers; and ci@ hclreby dadae the foilowing to be a full, diem', and exact descripu tion oih nvenitin. such as will ambie @thais sied in the mi: to Whih ii; apex-- mins to make and use the same.

My invention 'iaxes to imp'ovemeiigs in jpneummio tiri-'a @aiipes adapten?. for use, in mariiiiniiig h@ propm" miiition of pneui maiis tim; ami, to 'Mis emi, i'y consists of' im accfmipemymqg dimming@ which iiustmm the invelitlmi, im@ chmulcteis nidi ik@ parts throughout the Swami views.

to the drawings,

tion ai 'Wheel @quipped with a pnaumai tire and also ilustating, by means of maken sind failli lines, the improved caliper' im me positiozisi, masuring the ho'rionzxi Width of the tiqat diametricaiiy opposie points; am?.

'n mi The il a horizontal secgion line, of

i 'die piirts oi the Whei iiuftmsd, im? the guinos@ of showing; the 'usc of Hw 1mproved caliper, it is mfy necessary if; ms

matc 3, @i ly the of which is show i,

mim impomd pneumatic tim caiipei" {30mpiises a pair of iai/ers md piif'mtziiiy con Elected m3 theiv intermediari@ pm'iiimis 'by n, thumb mii-'cquippe i iin-g" oi' pivot pmt G* The laver i is relutivevly hwg .mi has mi fmpe omatin, while tim 'leur is win tively Short ami, as shown, is in the iioim of a, :Eat reversed cum/e. The spacing ci the ci im is pi'pei'fiy inflated, the Wii 0i' th@ tim, ai'. a, poum cilametmally opposilte its 'gminiri-ni'ignging poriion, is ist measured ims of' propmftionai duinensions,

'gw Lzsfo In testimony whereof I ax my signauro vors beng'suoh that when one pair ofons 1n presence of two Wltnesses,

are set to correspond with the horizontal d- @motor of he roe portion of a properly in- 1 1 ltod tiro on the Wheel of an automobile the LBLR 0 RUNNNC" other pair will indicate the horizontal diam- Witnesses:

HENRY GLLOE,

eter of that portion of the tire in Contact with the earth. R. M. 'Vmfimnm. 

